U.S. Air Force Airman 1st Class Maverick Duffy, center, tactical air control party (TACP) specialist, 5th Air Support Operations Squadron, approaches the finish during a ruck run for the Chaos Challenge 2021 at Joint Base Elmendorf-Richardson, Alaska, July 14, 2021. The Chaos Challenge 2021 was a multi-day series of mental and physical contests sponsored by the 1st Air Support Operations Group with participants from the 3rd, 5th, 25th, and 604th Air Support Operations Squadrons and a guest team from the 673d Security Forces Squadron. The winner of the competition will go on to compete in Lightning Challenge 2021 to determine the best two-man TACP team in the Air Force.